Tertiary reference oncology center, Mexico, Distrito Federal, Mexico
Oncology Research Unit, Mèxico DF, DF, Mexico
Research Unit in Clinical Epidemiology, Specialties Hospital. Mexican Institute of Sociaql Security, Guadalajara, Jalisco, Mexico
Breast Clinic. Oncologic Institute of Jalisco, Guadalajara, Jalisco, Mexico
Department of Surgery and Department od Anesthesiology. Specialties Hospital. Westerm Medical Center, Mexican Institute of Social Security., Guadalajara, Jalisco, Mexico
Biomedical Research Unit, Durango, Mexico